Vascular reactivity and psychiatric disorder in the treatment of headache with dihydroergotamine.
D001794:Blood Pressure / Q000187:drug effects*; D002986:Clinical Trials as Topic; D004878:Ergotamine / Q000494:pharmacology* / Q000627:therapeutic use*; D006261:Headache / Q000188:drug therapy*; D006632:Histamine; D006801:Humans; D001523:Mental Disorders / Q000150:complications*; D014653:Vascular Headaches / Q000188:drug therapy
D006632:Histamine; D004878:Ergotamine